feat(wordpress): write WordPress version

Author: sjinks

wordpress/.dockerignore

@@ -2,3 +2,4 @@
 !dev-tools
 !extra
 !scripts
+!entrypoint.sh

wordpress/Dockerfile

@@ -4,6 +4,7 @@ ARG WP_GIT_REF
 ADD https://github.com/WordPress/WordPress.git#${WP_GIT_REF} /wp
 RUN rm -rf /wp/wp-content
 COPY extra/ /wp/
+RUN echo "${WP_GIT_REF}" > /wp/wp-content/.version
 
 FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c AS build-wptl
 ARG WP_GIT_REF

wordpress/entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+USER_ID="${1:-1000}"
+GROUP_ID="${2:-1000}"
+
+if [ ! -f /wp/wp-content/.version ] || [ ! -f /shared/wp-content/.version ] || ! cmp -s /wp/wp-content/.version /shared/wp-content/.version; then
+    /usr/bin/rsync -ac --delete --chown="${USER_ID}:${GROUP_ID}" --include=/wp-content/.version /wp/ /shared/
+fi
+
+/usr/bin/rsync -ac --delete --chown="${USER_ID}:${GROUP_ID}" /dev-tools/